[swiftc (32 vs. 5390)] Add crasher in swift::ASTVisitor #6591
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Add test case for crash triggered in `swift::ASTVisitor`. Current number of unresolved compiler crashers: 32 (5390 resolved) Stack trace: ``` 0 0x0000000003515068 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x3515068) 1 0x00000000035157a6 SignalHandler(int) (/path/to/swift/bin/swift+0x35157a6) 2 0x00007fe6c9a2e3e0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x113e0) 3 0x00007fe6c8394428 gsignal /build/glibc-Qz8a69/glibc-2.23/signal/../sysdeps/unix/sysv/linux/raise.c:54:0 4 0x00007fe6c839602a abort /build/glibc-Qz8a69/glibc-2.23/stdlib/abort.c:91:0 5 0x00000000034b0e3d llvm::llvm_unreachable_internal(char const*, char const*, unsigned int) (/path/to/swift/bin/swift+0x34b0e3d) 6 0x0000000000c31413 (anonymous namespace)::ExprRewriter::coerceToType(swift::Expr*, swift::Type, swift::constraints::ConstraintLocatorBuilder, llvm::Optional<swift::Pattern*>) (/path/to/swift/bin/swift+0xc31413) 7 0x0000000000c2fd1d (anonymous namespace)::ExprRewriter::coerceToType(swift::Expr*, swift::Type, swift::constraints::ConstraintLocatorBuilder, llvm::Optional<swift::Pattern*>) (/path/to/swift/bin/swift+0xc2fd1d) 8 0x0000000000c3629f (anonymous namespace)::ExprWalker::walkToExprPre(swift::Expr*) (/path/to/swift/bin/swift+0xc3629f) 9 0x0000000000e0d1e6 swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Expr*) (/path/to/swift/bin/swift+0xe0d1e6) 10 0x0000000000e0c5eb swift::Expr::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xe0c5eb) 11 0x0000000000c2e688 swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) (/path/to/swift/bin/swift+0xc2e688) 12 0x0000000000cf6be3 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xcf6be3) 13 0x0000000000c5b951 (anonymous namespace)::FailureDiagnosis::typeCheckChildIndependently(swift::Expr*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<TCCFlags, unsigned int>, swift::ExprTypeCheckListener*, bool) (/path/to/swift/bin/swift+0xc5b951) 14 0x0000000000c64e00 (anonymous namespace)::FailureDiagnosis::typeCheckArgumentChildIndependently(swift::Expr*, swift::Type, (anonymous namespace)::CalleeCandidateInfo const&, swift::OptionSet<TCCFlags, unsigned int>) (/path/to/swift/bin/swift+0xc64e00) 15 0x0000000000c71ae0 (anonymous namespace)::FailureDiagnosis::visitApplyExpr(swift::ApplyExpr*) (/path/to/swift/bin/swift+0xc71ae0) 16 0x0000000000c57963 swift::ASTVisitor<(anonymous namespace)::FailureDiagnosis, bool, void, void, void, void, void>::visit(swift::Expr*) (/path/to/swift/bin/swift+0xc57963) 17 0x0000000000c4fdea swift::constraints::ConstraintSystem::diagnoseFailureForExpr(swift::Expr*) (/path/to/swift/bin/swift+0xc4fdea) 18 0x0000000000c56ead swift::constraints::ConstraintSystem::salvage(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::Expr*) (/path/to/swift/bin/swift+0xc56ead) 19 0x0000000000cf3688 swift::TypeChecker::solveForExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::FreeTypeVariableBinding, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem&, llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>) (/path/to/swift/bin/swift+0xcf3688) 20 0x0000000000cf6b4d swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xcf6b4d) 21 0x0000000000c0f25e swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc0f25e) 22 0x0000000000c0ea86 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) (/path/to/swift/bin/swift+0xc0ea86) 23 0x0000000000c23f30 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc23f30) 24 0x0000000000998d56 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x998d56) 25 0x000000000047ca5a swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ca5a) 26 0x000000000043b297 main (/path/to/swift/bin/swift+0x43b297) 27 0x00007fe6c837f830 __libc_start_main /build/glibc-Qz8a69/glibc-2.23/csu/../csu/libc-start.c:325:0 28 0x00000000004386d9 _start (/path/to/swift/bin/swift+0x4386d9) ```
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@swift-ci please smoke test and merge |
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@swift-ci please test and merge |
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Add test case for crash triggered in
swift::ASTVisitor.Current number of unresolved compiler crashers: 32 (5390 resolved)
Stack trace: